dotfiles/nix/home/programs/jellyfin/default.nix

{ lib, ... }:

{
  networking.firewall = {
    allowedTCPPorts = [
      # jellyfin frontend
      8096
      8920
      #nginx
      80
      443
    ];
    allowedUDPPorts = [
      # jellyfin discovery
      1900
      7359
    ];
  };

  services.jellyfin.enable = true;

  security.acme.acceptTerms = true;
  security.acme.defaults.email = lib.strings.fileContents ../../../../secrets/letsencrypt/mediaserver/email;
  services.nginx = {
    enable = true;
    recommendedGzipSettings = true;
    recommendedOptimisation = true;
    recommendedProxySettings = true;
    recommendedTlsSettings = true;

    virtualHosts."${lib.strings.fileContents ../../../../secrets/letsencrypt/mediaserver/domain}" = {
      forceSSL = true;
      enableACME = true;
      # http2 can more performant for streaming: https://blog.cloudflare.com/introducing-http2/
      http2 = true;

      extraConfig = ''
        # Provide the ssl cert and key for the vhost
        #Some players don't reopen a socket and playback stops totally instead of resuming after an extended pause
        send_timeout 100m;

        # Why this is important: https://blog.cloudflare.com/ocsp-stapling-how-cloudflare-just-made-ssl-30/
        ssl_stapling on;
        ssl_stapling_verify on;

        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        # ssl_prefer_server_ciphers on;
        #Intentionally not hardened for security for player support and encryption video streams has a lot of overhead with something like AES-256-GCM-SHA384.
        ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';

        # A LOT of javascript, xml and html. This helps a lot, but if it causes playback issues with devices turn it off.
        gzip on;
        gzip_vary on;
        gzip_min_length 1000;
        gzip_proxied any;
        gzip_types text/plain text/css text/xml application/xml text/javascript application/x-javascript image/svg+xml;
        gzip_disable "MSIE [1-6]\.";

        # Nginx default client_max_body_size is 1MB, which breaks Camera Upload feature from the phones.
        # Increasing the limit fixes the issue. Anyhow, if 4K videos are expected to be uploaded, the size might need to be increased even more
        client_max_body_size 100M;
      '';

      locations."/" = {
        proxyPass = "http://localhost:8096";
      };

      locations."/socket" = {
        extraConfig = ''
          # Proxy Jellyfin Websockets traffic
          proxy_pass http://localhost:8096;
          proxy_http_version 1.1;
          proxy_set_header Upgrade $http_upgrade;
          proxy_set_header Connection "upgrade";
          proxy_set_header Host $host;
          proxy_set_header X-Real-IP $remote_addr;
          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
          proxy_set_header X-Forwarded-Proto $scheme;
          proxy_set_header X-Forwarded-Protocol $scheme;
          proxy_set_header X-Forwarded-Host $http_host;
        '';
      };
    };
  };
}